[Serusers] 408 to Caller UA when CANCEL to Callee

Iqbal iqbal at gigo.co.uk
Fri Sep 16 14:05:17 CEST 2005


did I miss it...where ?

Steve Blair wrote:

>
> You config file shows "(uri=~"^si"^sip:3[0-9]*@203.197.212.208") " is 
> this really
> what you meant? I think the first "^si" is a typo is it not?
>
> -Steve
>
> Iqbal wrote:
>
>> what happens if you increase your timeout values, i.e send cancel 
>> before you get the timeout
>>
>> Iqbal
>>
>> Tulika Pradhan wrote:
>>
>>>
>>> my ser.cfg file is attached below.
>>>
>>> any help/pointers for what the problem may be would be great.
>>>
>>> the problem comes when i dial anynumber starting with '3'
>>>
>>> i want 8001211 to be dialed and if there is failure, then 8001210 to 
>>> be dialed.
>>>
>>> thanks,
>>>
>>> tulika
>>>
>>> #
>>> # $Id: ser.cfg,v 1.21.4.1 2003/11/10 15:35:15 andrei Exp $
>>> #
>>> # simple quick-start config script
>>> #
>>>
>>> # ----------- global configuration parameters ------------------------
>>>
>>> #debug=3         # debug level (cmd line: -dddddddddd)
>>> #fork=yes
>>> #log_stderror=no        # (cmd line: -E)
>>>
>>> /* Uncomment these lines to enter debugging mode
>>> debug=7
>>> fork=no
>>> log_stderror=yes
>>> */
>>>
>>> check_via=no    # (cmd. line: -v)
>>> dns=no           # (cmd. line: -r)
>>> rev_dns=no      # (cmd. line: -R)
>>> #port=5060
>>> #children=4
>>> fifo="/tmp/ser_fifo"
>>>
>>> # ------------------ module loading ----------------------------------
>>>
>>> # Uncomment this if you want to use SQL database
>>> loadmodule "/usr/lib/ser/modules/mysql.so"
>>>
>>> loadmodule "/usr/lib/ser/modules/sl.so"
>>> loadmodule "/usr/lib/ser/modules/tm.so"
>>> loadmodule "/usr/lib/ser/modules/rr.so"
>>> loadmodule "/usr/lib/ser/modules/maxfwd.so"
>>>                                                                        
>>> loadmodule "/usr/lib/ser/modules/usrloc.so"
>>> loadmodule "/usr/lib/ser/modules/registrar.so"
>>> loadmodule "/usr/lib/ser/modules/acc.so"
>>>
>>> # Uncomment this if you want digest authentication
>>> # mysql.so must be loaded !
>>> loadmodule "/usr/lib/ser/modules/auth.so"
>>> loadmodule "/usr/lib/ser/modules/auth_db.so"
>>> loadmodule "/usr/lib/ser/modules/exec.so"
>>> loadmodule "/usr/lib/ser/modules/uri.so"
>>> loadmodule "/usr/lib/ser/modules/textops.so"
>>> loadmodule "/usr/lib/ser/modules/xlog.so"
>>> # ----------------- setting module-specific parameters ---------------
>>>
>>> # -- usrloc params --
>>>
>>> modparam("usrloc", "db_mode", 2)
>>>
>>> # -- auth params --
>>> modparam("auth_db", "db_url", "sql://ser:heslo@localhost/ser")
>>> modparam("auth_db", "calculate_ha1", 1)
>>> #
>>> # If you set "calculate_ha1" parameter to yes (which true in this 
>>> config),
>>> # uncomment also the following parameter)
>>> #
>>> modparam("auth_db", "password_column", "password")
>>>
>>> # -- rr params --
>>> # add value to ;lr param to make some broken UAs happy
>>> modparam("rr", "enable_full_lr", 1)
>>> modparam("acc", "log_level", 1)
>>> modparam("acc", "db_flag", 1)
>>> modparam("tm", "fr_inv_timer", 15)
>>> modparam("tm", "fr_timer", 10)
>>> # main routing logic
>>>
>>> route{
>>>
>>>        # initial sanity checks -- messages with
>>>        # max_forwards==0, or excessively long requests
>>>        if (!mf_process_maxfwd_header("10")) {
>>>                sl_send_reply("483","Too Many Hops");
>>>                break;
>>>        };
>>>        if ( msg:len > max_len ) {
>>>                sl_send_reply("513", "Message too big");
>>>                break;
>>>        };
>>>
>>>        # we record-route all messages -- to make sure that
>>>        # subsequent messages will go through our proxy; that's
>>>        # particularly good if upstream and downstream entities
>>>        # use different transport protocol        # loose-route 
>>> processing
>>>        if (loose_route()) {
>>>                t_relay();
>>>                break;
>>>        };
>>>
>>>        # if the request is for other domain use UsrLoc
>>>        # (in case, it does not work, use the following command
>>>        # with proper names and addresses in it)
>>>        #if (uri==myself) {
>>>        #if(method!=REGISTER) record_route();
>>>        if (uri==myself) {
>>>         if (method=="REGISTER") {
>>>
>>>                save("location");
>>>                break;
>>>         };
>>>
>>>         if (method==INVITE) {
>>>                if (uri=~"^sip:0[0-9]*@") {
>>>                        log(1, "beginning with 0\n");
>>>                        rewritehost("192.168.1.201");
>>>                        rewriteport("5060");
>>>                        t_relay_to_udp("192.168.1.201","5065");
>>>                        break;
>>>                } else if (uri=~"^sip:500@") {
>>>                        log(1, "Accessing Voicemail\n");
>>>                        setflag(1);
>>>                        rewriteport("5065");                } else if 
>>> (uri=~"^sip:3[0-9]*@203.197.212.208") {
>>>                                # call hunt numbers beginning with 3
>>>                                 log(1, "beginning with 3\n");
>>>                                seturi("sip:8001211 at 192.168.1.201");
>>>                                append_hf("P-hint: call hunt\r\n");
>>>                                xlog("L_ERR", "time [%Tf] method 
>>> <%rm> r-uri <%ru> <%tu>\n");
>>>                                t_on_failure("1");
>>>                                t_relay();
>>>
>>>                }
>>>                if (!lookup("location")) {
>>>                    if (search("(P-hint): call hunt")) {
>>>                                        log(1, "Call Hunt number not 
>>> in location- Hangup\n");
>>>                                        #exec_msg("echo $SIP_OUSER >> 
>>> /root/temp; echo $SIP_USER >> /root/temp; echo $SIP_OURI >> 
>>> /root/temp; echo $SIP_RURI >> /root/temp");
>>>                                        # goto next number
>>>                                        
>>> exec_dset("/etc/ser/getnextnumber1 $SIP_OUSER; echo>/dev/null;");
>>>                                        xlog("L_ERR", "time [%Tf] 
>>> method <%rm> r-uri <%ru> <%tu>\n");
>>>                                        t_relay();
>>>                   } else  {
>>>                        log(1, "Asterisk forwarding as user not 
>>> logged in..\n");
>>>                        rewritehost("192.168.1.201");
>>>                        rewriteport("5065");
>>>                        t_relay_to_udp("192.168.1.201","5065");
>>>                        break;
>>>                   }
>>>
>>>                }
>>>               t_on_failure("1");
>>>
>>>         }
>>>       }
>>>       if (!t_relay()) {
>>>                sl_reply_error();
>>>       };
>>> }
>>>
>>> failure_route[1] {
>>>        log(1,"Failure 1\n");
>>>
>>>        if (search("(P-hint): call hunt")) {
>>>                log(1, "Call Hunt number failure - Hangup\n");
>>>                append_branch("sip:8001210 at 192.168.1.201");
>>>                t_on_failure("2");
>>>                xlog("L_ERR", "time [%Tf] method <%rm> r-uri <%ru> 
>>> <%tu>\n");
>>>                t_relay();
>>>        } else {
>>>                log(1, "Asterisk forwarding ..\n");
>>>                revert_uri();
>>>                rewritehostport(192.168.1.201:5065");
>>>                append_branch();
>>>                t_relay();
>>>        }
>>> }
>>>
>>> failure_route[2] {
>>>        #
>>>        log (1, "in failure route 2\n");
>>> }
>>>
>>>         }
>>>       }
>>>       if (!t_relay()) {
>>>
>>>                        t_relay_to_udp("192.168.1.201","5065");
>>>                        break;
>>>
>>>        if (method!="REGISTER") record_route();
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>>> From: "Greger V. Teigre" <greger at teigre.com>
>>>> To: "Tulika Pradhan" <tulikapradhan at hotmail.com>, <serusers at lists.iptel.org>
>>>> Subject: Re: [Serusers] 408 to Caller UA when CANCEL to Callee
>>>> Date: Fri, 16 Sep 2005 08:36:53 +0200
>>>>
>>>> Tulika,
>>>> This is not a function of SER, but your ser.cfg file.  We have just 
>>>> released a new Getting Started document at onsip.org that you may 
>>>> use as a reference to identify why your ser.cfg causes a 408 to be 
>>>> sent.
>>>> g-)
>>>>
>>>> Tulika Pradhan wrote:
>>>>
>>>>> hi,
>>>>>
>>>>> i am facing the following situation.
>>>>>
>>>>> UA1 calls a user(UA2)  who does not answer. the control comes to
>>>>> failure_route where i try another UA (UA3). but as UA3 rings, SER
>>>>> sends 408 Request timeout to UA1 and call gets disconnected.
>>>>>
>>>>> this is the SIP message flow.
>>>>>
>>>>> UA1                     SER                      UA2
>>>>> UA3
>>>>> INVITE---------------->
>>>>>                               INVITE-------------->
>>>>>                                <----------------TRYING
>>>>>                                <----------------RINGING
>>>>> <------------------RINGING
>>>>>
>>>>>
>>>>>                              CANCEL-------------->
>>>>> <---------------------408
>>>>>
>>>>> INVITE---------------------------------------->
>>>>>                               <---------------------487
>>>>>                              ACK------------------->
>>>>>                                <-----------------------OK
>>>>>
>>>>> <-------------------------------------------TRYING
>>>>>
>>>>> <--------------------------------------------RINGING
>>>>>
>>>>> (but UA already has got the busy tone) and does not hear this 
>>>>> ringing.
>>>>>
>>>>> if 408 was not sent to UA1, then the call could have been 
>>>>> established.
>>>>>
>>>>> what is going wrong,
>>>>>
>>>>> regards,
>>>>>
>>>>> tulika
>>>>>
>>>>>
>>>>> _______________________________________________
>>>>> Serusers mailing list
>>>>> serusers at lists.iptel.org
>>>>> http://lists.iptel.org/mailman/listinfo/serusers
>>>>
>>>>
>>>>
>>>>
>>>
>>>
>>> _______________________________________________
>>> Serusers mailing list
>>> serusers at lists.iptel.org
>>> http://lists.iptel.org/mailman/listinfo/serusers
>>>
>>> .
>>>
>>
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>
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